Sep, 2023

Hydraulic Live Swivels

Best China Hydraulic Swivel Fittings Manufacturer

❖ Suitable for narrow spaces

❖ Withstand high pressure

❖ Adopt pressure balance design

❖ The maximum speed is 10 rpm

Product List

Upgrade your hydraulic system with our 90° Live Swivel Fittings, engineered for performance, reliability, and flexibility in even the most demanding applications. Designed to handle pressures up to 3,000 PSI, these precision-forged fittings allow for 360° rotation under pressure, preventing hose twisting, reducing wear, and extending service life. With a compact elbow design and a variety of thread options (BSP, NPT, JIC, ORFS, Metric), installation is quick, secure, and compatible with most hydraulic setups. Available in carbon steel or stainless steel, with high-quality surface treatments like zinc plating, silver plating, or nitriding, these swivels are built to perform in harsh environments. Whether you need a durable solution for mobile equipment, construction machinery, or industrial systems—our live swivels deliver unmatched reliability and value.

Products Video

This short video gives you a detailed look at Topa’s 90° hydraulic live swivel fittings. It clearly shows the compact elbow design, precise machining, and thread specifications of the product.

At Topa, we combine precision machining, high-grade materials, and strict quality control to deliver fittings that perform under pressure—literally. With years of experience in hydraulic solutions, our team understands your industry’s needs and delivers products that meet ISO standards, support custom branding, and ensure on-time global delivery.

If you’re looking for a reliable 90° live swivel fitting solution, you’re in the right place. Whether you need a sample for testing, bulk orders, or a fully customized version with your logo, Topa is ready to deliver.

Application

Our 90° hydraulic live swivel fittings are widely used across industries where fluid lines require movement, flexibility, and durability under pressure. These fittings reduce hose stress and twisting by allowing 360° rotation, making them an essential solution for dynamic hydraulic systems.

Construction Equipment

Our 90° live swivel fittings are ideal for use in excavators, wheel loaders, cranes, and rotary booms, where hydraulic hoses are frequently exposed to continuous movement, vibration, and harsh environmental conditions. By allowing 360-degree rotation, these swivels significantly reduce hose torsion and minimize the risk of cracking, abrasion, and pressure-related failures.

Agricultural Machinery

Farm equipment operates in some of the toughest outdoor environments, often under heavy load and uneven terrain. Swivel fittings are especially beneficial for harvesters, seeders, sprayers, and tractors, where moving arms and lifting components constantly shift and bend hydraulic lines.

Material Handling Systems

In warehouse and factory environments, forklifts, hydraulic lift tables, scissor lifts, and articulating arms rely heavily on hydraulic systems for repetitive motion. Our 90° swivel fittings solve this problem by offering free rotation in confined spaces, reducing stress on hydraulic lines, and ensuring consistent fluid flow.

Ready to upgrade your hydraulic system?

Request a quote today and get fast, reliable support from Topa.

Our Factory

90° Hydraulic Live Swivel Fittings – Key Features

Appearance Features

90-Degree Elbow Design: The fitting has an L-shaped structure, perfect for tight spaces or situations where fluid direction needs to be changed.

Perpendicular Rotation Axis: The swivel mechanism is typically located at one end of the elbow, offering a compact design ideal for moving or dynamic equipment.

Smooth Surface Finish: Usually treated with zinc plating, chrome plating, or left in stainless steel finish to provide corrosion resistance and a clean, industrial appearance.

Visible Sealing Structure: Equipped with sealing washers or O-rings at the connection points to ensure leak-free performance under high pressure.

Thread Features

Available with a variety of standard thread types, including:

BSP (British Standard Pipe)

NPT (National Pipe Tapered)

JIC 37° Flare

ORFS (O-Ring Face Seal)

Metric Threads

Often designed with different thread types on inlet and outlet, allowing for flexible connections across various hydraulic systems.

Precision-machined threads with smooth finishes to ensure tight sealing and prevent leaks.

Options for male, female, or mixed-thread designs, making them compatible with different machine and equipment configurations.

Working Principle

The live swivel mechanism allows the hydraulic line to rotate 360 degrees or pivot under pressure, preventing hose twisting or stress.

The rotating section includes precision bearings or sliding components to ensure smooth motion, with internal O-rings or seals to block hydraulic fluid leakage.

Fluid enters through the fixed end, passes through the internal swivel channel, and exits via the 90-degree outlet—maintaining pressure and flow without compromising mobility.

Especially suitable for applications with frequent movement or vibration, such as rotating booms, hydraulic cylinders, and agricultural machinery connections.

Surface Treatment Options

Stainless Steel

Silver Plating

Function:

Enhances surface conductivity (suitable for specific technical applications)

Improves anti-galling properties, especially for threaded connections under high temperature and pressure

Advantages:

Low friction coefficient, allowing smoother assembly and disassembly

Increases resistance to corrosion and heat

Applications:

Aerospace, military equipment, and high-end hydraulic systems

Nitriding Treatment

Function:

Increases surface hardness and wear resistance

Retains the inherent corrosion resistance of stainless steel

Advantages:

Enhances fatigue resistance and extends service life

Causes minimal dimensional change, preserving precision

Applications:

High-frequency or high-wear applications such as construction machinery and rotary fittings with continuous motion

Carbon Steel

Zinc Plating

Types: Blue-white zinc, yellow zinc, black zinc

Function:

Basic anti-rust treatment to protect carbon steel in humid or mildly corrosive environments

Advantages:

Cost-effective with a clean, finished appearance

Improves corrosion resistance and extends product lifespan

Applications:

General industrial use, standard hydraulic systems, agricultural machinery, construction equipment

How to Customize 90° Hydraulic Live Swivel Fittings

Application Requirements

Where will the swivel be installed?

Is it subject to continuous rotation, vibration, or pressure surges?

Working Pressure Range

Specify normal and maximum operating pressure (e.g., 2500 PSI, 3000 PSI, 5000 PSI)

Do you require pressure testing or certification (e.g., ISO, CE)?

Thread Type and Size

BSP, NPT, JIC, ORFS, Metric, etc.

Are the inlet and outlet different thread types? Male or female threads?

Port Size / Hose Size

Common sizes: 1/4″, 3/8″, 1/2″, 3/4″, 1″

Any special sizing or fitting requirements?

Material Selection

Carbon steel

Stainless steel (304/316)

Brass (less common)

Is it for food-grade, chemical, or marine use?

Surface Treatment

Zinc plating (blue-white, yellow, black)

Silver plating

Nitriding

Natural stainless steel finish or sandblasting

Seal Material

NBR (nitrile), Viton (FKM), PTFE (Teflon), etc.

Requirements for high temperature, oil resistance, or chemical resistance

Swivel Rotation Speed

Will it rotate continuously?

Required speed (e.g., up to 10 RPM or more)

Flow Capacity

Maximum flow rate required (in L/min or GPM)

Operating Environment

Indoor or outdoor use

Exposure to heat, cold, saltwater, chemicals, etc.

Order Quantity and Lead Time

Sample and bulk quantity

Expected delivery timeline (urgent orders?)

Custom Branding or Packaging

Laser logo, custom packaging, private label stickers, etc.

Have questions or custom specs?

Contact our team now—we’ll help you find the perfect swivel solution.

Our Factory

Topa-The Best Hydraulic Swivel Fittings Factory

Precision Engineering

Each swivel fitting features accurately machined threaded ends for a secure, leak-free connection, even under demanding conditions.

High-Quality Materials

Crafted from premium-grade steel or stainless steel, these fittings offer strong resistance to corrosion, wear, and hydraulic stress, ensuring a longer service life.

Broad Compatibility

Threaded ends are engineered to be fully compatible with a variety of hose and fitting standards, allowing for easy integration into most hydraulic systems.

Pressure Rated to 3,000 PSI

Built to withstand demanding hydraulic environments, these swivel joints are rated up to 3,000 PSI, making them suitable for high-pressure, heavy-duty applications.

Forged for Strength

Each unit is hot-forged to deliver enhanced durability, rigidity, and resistance to mechanical shock, ideal for use in rough or outdoor environments.

Integrated Safety Features

Internal safeguards help minimize pressure surges, protect system components, and support consistent hydraulic performance.

360° Full Swivel Motion

The built-in swivel mechanism allows for full rotation, preventing hose strain, reducing connection fatigue, and enhancing system flexibility.

Anti-Tangle Functionality

Designed to prevent hose kinking and twisting, which significantly lowers the risk of premature failure and reduces maintenance efforts.

Quick Installation

The rotating design simplifies assembly, reduces setup time, and makes it easier to adjust hose positions without disconnecting the system.

10 RPM Operating Speed

Designed to operate at up to 10 RPM without increasing resistance, ensuring smooth, efficient movement even in dynamic systems.

Why Choose Topa

Reliable Manufacturing Partner

With strict production standards, 100% inspection, and reliable partner factories, we ensure every product meets your expectations—whether standard or customized.

One-Stop Hydraulic Solution

From hydraulic fittings, hoses, quick couplings to valves, we offer a complete product line. Save time and cost by sourcing everything from one supplier. Need special threads, non-standard sizes, or private labeling? We’ve got you covered.

Global Export Experience

We proudly serve customers in Europe, Southeast Asia, Africa, North & South America, and beyond. Our multilingual team understands international standards, shipping logistics, and the urgency of your timelines.

Fast Response & Professional Service

With a mature marketing and sales team, we provide fast quotes, detailed drawings, and prompt support. Whether you’re a distributor, maintenance provider, or equipment manufacturer—we respond quickly and work around your schedule.

Custom Solutions, Flexible MOQ

Need a custom logo, special packaging, or a trial order before a big purchase? Topa offers flexible MOQ and supports your business growth with scalable options and stable supply.

On-Time Delivery

We maintain well-organized inventory systems, work with long-term partner factories, and closely monitor every order from production to shipping. Whether it’s a small sample or a large container load, we deliver on schedule—every time.

FAQ

What is the main function of a 90° live swivel fitting?

A 90° live swivel fitting allows hoses to rotate under pressure while changing the flow direction at a 90-degree angle. It helps prevent hose twisting, reduces wear, and improves the lifespan of the hydraulic system.

Can these swivels rotate under pressure continuously?

Yes, Topa’s swivel fittings are designed for 360° rotation while under pressure. However, they are optimized for low to moderate rotational speed, typically up to 10 RPM.

What thread types are available?

We offer a wide range of thread options including BSP, NPT, JIC, ORFS, and Metric threads. You can choose from male, female, or mixed-end configurations depending on your system requirements.

What materials are these swivel fittings made from?

Topa manufactures 90° swivel fittings in carbon steel (with zinc plating) and stainless steel (with optional silver plating or nitriding). Material choice depends on your environment and pressure rating needs.

What is the maximum speed at which these fittings can operate?

These fittings can operate at a maximum speed of 10 RPM without any significant increase in torque as the pressure escalates.

Can I use this swivel with any hydraulic hose?

Yes, as long as the thread and size match, and the pressure rating is compatible. Always confirm the thread compatibility and hose fitting type before installation.

Is the swivel joint leak-proof?

Yes. Each fitting includes high-quality seals such as NBR, Viton, or PTFE, depending on the application. All products are tested for leakage before shipment.

How should I install the 90° swivel fitting?

Installation is simple—just thread the fitting securely into place using proper torque specifications. Avoid overtightening and ensure seals are seated correctly to avoid leaks.

Can this 90° swivel fitting be used in high-vibration environments?

Yes. Topa’s swivel fittings are engineered with precision bearings and durable seals, making them suitable for high-vibration applications such as construction equipment, mining machines, and agricultural implements. They maintain smooth rotation and leak-free performance even under tough conditions.

Is this fitting suitable for both hydraulic oil and other fluids?

Yes. Our swivel joints are compatible with a wide range of media including hydraulic oil, water-glycol, synthetic fluids, and some chemicals, depending on the seal material used. Let us know your fluid type when ordering so we can recommend the right sealing solution.

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Sep, 2023

Swept Adaptor

Topa

Swept Adaptor Supplier in China

Product Lists

Swept adapters have emerged to meet these requirements with a unique curved design that optimizes fluid flow and reduces pressure drop. Constructed from high-strength materials such as steel, these adapters are long-lasting, durable, and meet international standards. Although they have a slightly higher initial cost, their long-term performance advantages make them a cost-effective investment. Their design makes them particularly effective in high-pressure and complex systems. In addition, their robust construction reduces long-term maintenance costs. All in all, swept hydraulic adapters are the perfect combination of quality and economy and are a valuable addition to any hydraulic system. If you need Swept hydraulic adaptors, please contact us!

45° JIC Female to Female ORFS

Elbow 45° JIC female to female ORFS Swept adapters

90° BSP Male to Male

Elbow 90° BSP male to male Swept adapters

45° BSP Female to Female

Elbow 45° BSP female to female Swept adapters

45° BSP Male to Male

Elbow 45° BSP male to male Swept adapters

90° JIC Male to Female

Elbow 90° JIC male to female Swept adapters

90° JIC Female to Female BSP

Elbow 90° JIC female to Female BSP Swept adapters

45° JIC Male to Female

Elbow 45° JIC male to Female Swept adapters

95° JIC Female to Female Metric

Elbow 95° JIC female to Female metric Swept adapters

Products Video

Our hydraulic swept adapters are built with precision to deliver smoother fluid flow, lower pressure loss, and extended system life. Every curve is designed to reduce turbulence—making them ideal for high-flow, high-pressure applications.

Manufactured from premium carbon steel and stainless steel, our swept adapters undergo rigorous inspection—including thread testing and pressure sealing checks. Whether you’re working in construction, automation, or oil & gas, you can trust Topa to provide leak-free performance and long-term reliability.

If you’re looking for custom threads, special angles, or private labeling, we’re ready to support your needs. Watch the video now, then message our team for a fast quote and global delivery options.

Applications

Heavy Machinery

Hydraulic swept adapters play a vital role in heavy-duty equipment such as excavators, bulldozers, tractors, and mining trucks. These machines operate under extreme pressure, vibration, and continuous motion—conditions where standard fittings may fail prematurely. The curved design of swept adapters minimizes pressure drop and flow disruption, ensuring consistent hydraulic power delivery to critical components like cylinders and motors.

Industrial Automation

In manufacturing environments where hydraulic circuits control automated machinery, precision and efficiency are paramount. Swept adapters offer smooth directional changes in piping layouts, helping to maintain optimal flow velocity while minimizing turbulence. This results in faster response times for hydraulic actuators, improved system reliability, and reduced energy consumption.

Oil & Gas

The oil and gas sector demands components that can withstand extreme conditions—both offshore and onshore. Hydraulic swept adapters are commonly used in drill rigs, fracturing equipment, and wellhead control systems where high flow rates, pulsating pressure, and corrosive media are common. The swept design enhances flow stability, which is critical in long hydraulic circuits often found in large installations.

Products Features

Hydraulic Swept Adapters are essential fittings used in high-pressure hydraulic systems to change fluid direction with minimal resistance. Unlike conventional elbow adapters, swept adapters feature a gradually curved design—typically in 45° or 90° bends—that significantly reduces turbulence and pressure loss. This not only improves overall flow efficiency but also extends the life of connected components by reducing internal stress caused by abrupt flow changes.

These adapters are precisely machined to deliver reliable, leak-proof connections between hoses, tubes, and system components such as valves, pumps, and cylinders. Available in a wide range of thread types—including BSP, BSPT, JIC, ORFS, NPT, Metric, UNF, and JIS—swept adapters can accommodate global system requirements with ease.

Product Details

Shape Options

Material

Connection Types

Available Configurations

Technical Design

Component Structure

Manufacturing Standards

Swept Hydraulic Adapter VS Standard Hydraulic Adapter

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Gradual, curved bend design
Minimizes internal flow resistance
Reduces turbulence inside the hydraulic system
Promotes more efficient fluid movement
Results in lower pressure drop
Ideal for high-flow applications
Helps reduce energy loss in hydraulic circuits

Sharp 90-degree angle bend
Higher internal flow resistance
Increased risk of turbulence
May cause energy loss due to abrupt direction change
More pressure drop across the fitting
Suitable for general routing where flow efficiency is less critical

How to Customize Your Hydraulic Swept Adapter

At Topa, we understand that not every hydraulic system is built the same. That’s why we offer full customization options for swept adapters to meet your specific performance, installation, and material requirements. Whether you need non-standard threads, unique bend angles, or special coatings, we make it easy to get exactly what your project demands.

Provide Application Requirements

Provide your application scenario and parameters

Connection Selection

Choose your connection types and thread standards

Angle & Dimensions

Define angles and sizing requirements

Material Selection

Select appropriate materials for your environment

Special Requirements

Add custom features and finishing options

Production & Delivery

Technical confirmation and manufacturing

Why Choose Topa

When it comes to hydraulic systems, choosing the right components can make the difference between optimum performance and the constant headache of maintaining your system. At Topa, we’ve built a reputation for providing quality hydraulic components, such as hydraulic swept adapters, that meet the exacting requirements of hydraulic industry professionals. Here’s why choosing Topa Hydraulic is a smart move for you:

Competitive pricing

We pride ourselves on being a direct sales factory. We are able to offer competitive prices without compromising on quality, so you get your money’s worth. With Topa, you don’t have to choose between affordability and high performance – you can have both.

International Standards, Made in China

Our products are manufactured in China under strict quality control to ensure compliance with international standards in terms of durability, performance, and reliability. This is especially important for customers who face challenges in sourcing reliable components. Rest assured that our products offer a better price/performance ratio and are perfectly suited to your needs.

One-stop shop

No more traveling between different suppliers for different hydraulic needs. We offer a full range of products from hydraulic cylinders to fittings and adapters, providing you with the convenience of one-stop shopping.

Customized Solutions

We know that not all hydraulic systems are created equal. Our team of highly skilled professionals can customize solutions to meet the specific needs and challenges of your hydraulic applications.

Topa Services

Choosing the right hydraulic fitting supplier isn’t just about product specs—it’s about performance, reliability, and long-term support. Here’s why hundreds of buyers across the globe trust Topa for their hydraulic swept adapter needs:

Reliable Manufacturing Partnerships

Our factory equipped with CNC machining centers and strict QC systems. You get factory-direct pricing—without compromising on quality.

One-Stop Sourcing for Global Thread Standards

We support BSPP, BSPT, NPT, JIC, ORFS, Metric, UNF, Code 62, and more. Whether you're working with North American, European, or Asian systems, we deliver fittings that fit right the first time.

Fast Quotation & Technical Support

Our dedicated team responds to technical inquiries, RFQs, and drawing confirmations within 24 hours. Need a recommendation or a custom drawing? We've got you covered—fast.

Flexible Customization Options

Need a custom thread, bend angle, or private label? We handle OEM/ODM requests, laser marking, logo engraving, and special packaging for your brand or system requirement.

Global Export Experience

We ship to over 30+ countries, with customers across industries like construction, agriculture, mining, oil & gas, and manufacturing. Whether you're in the USA, Germany, UAE, or South Africa.

After-Sales Support

Our job doesn't stop after shipment. We offer fast after-sales service, technical troubleshooting, and warranty support—so you’re never left guessing.

20+

Years Experience

30+

Countries Served

10,00+

Products Delivered

500+

Customer

FAQ

What is the main difference between a swept adapter and a standard elbow fitting?

Swept adapters feature a gradual, curved bend that reduces turbulence and pressure loss, unlike standard elbow fittings that have sharp angles and can disrupt fluid flow.

What thread types are available for swept adapters?

We offer a wide range of thread types, including BSPP, BSPT, NPT, JIC, ORFS, Metric, UNF, JIS, and Code 62 flange connections.

Are these adapters available in both fixed and swivel ends?

Yes, many of our swept adapters are available with either fixed or female swivel ends for easier hose alignment during installation.

What materials are used for hydraulic swept adapters?

Our standard options include carbon steel with surface plating (zinc or zinc-nickel), stainless steel (304/316L), and brass for specific low-pressure or corrosion-resistant applications.

What is the maximum pressure these adapters can withstand?

Depending on size and material, swept adapters can handle pressures up to 6000 psi (≈420 bar) under standard hydraulic system conditions.

Can I request a non-standard angle, such as 135°?

Yes. While 45° and 90° are standard, we can manufacture custom-angle swept adapters like 135°, based on your system design or technical drawing.

Are these adapters compatible with international hydraulic systems?

Yes, our adapters comply with SAE, ISO, and DIN standards, making them compatible with most global hydraulic systems.

Do you offer private labeling or laser marking for branding?

Absolutely. We can laser engrave your logo, part number, or batch code on the adapter body and offer custom packaging to match your brand.

Can hydraulic swept adapters be used in both mobile and stationary systems?

Yes. Swept adapters are suitable for both mobile equipment (such as excavators and tractors) and stationary hydraulic systems (like industrial presses or marine platforms).

What surface treatments are available for corrosion protection?

We offer electroplated zinc, zinc-nickel alloy, phosphate coating, and stainless steel (304/316L) to suit various corrosion protection needs.

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Sep, 2023

Composite DOT Fittings

Push to Connect Composite DOT Fittings Manufacturer

PTC and PTCR fittings are brass composite push-to-connect fittings that meet SAE and D.O.T. standards. These fittings consist of a composite body, a brass fitting, and a retaining mechanism. They are very quick and easy to install, saving installation time. Composite DOT fittings are mainly used on buses, trucks, trailers, and all other types of mobile equipment.

Product list

Composite DOT push-connect fittings are valued for their unique combination of materials, with a body made of plastics, metals, and other composites, and threaded fittings made of brass. Their special design allows them to perform exceptionally well. Different types of composite push lock fittings can be used in different environments. Topa can provide all classifications of DOT push-in fittings, Please click on the picture below for details.

Union

Brass DOT composite straight push to connect union

Union Elbow

DOT composite brass uion elbow oush in fitting

Male Swivel Elbow

Composite male swivel push on brass DOT fitting

Female Swivel Elbow

Female swivel elbow brass composite dot fitting

Male Branch Swivel Tee

Male branch swivel tee fitting, brass composite adapter

Male Run Swivel Tee

Male run swivel tee, push lock composite adapter

Union Tee

Brass composite push to connect fitting, union tee adapter

Union Y Connector

Y shape union connector, brass composite adapter

Union Y Male Connector

Male union Y connector, composite brass adapter

Male Elbow Swivel 45°

Male 45-degree elbow swivel push in adapter

Plug-In Adapter

Plug in composite adapter, straight dot fitting

Plug-In elbow Adapter

Plug in elbow adapter, DOT composite brass fitting

Plug-In Run Tee

Plug in run tee adapter, composite DOT fittings

Plug-In branch Tee

Composite plug in branch tee adapter

Presto Manifold 24M

Presto Manifold 24M, brass composite push in fitting

Welcome To Topa

Composite DOT Fittings

Products Feature

Our D.O.T. quick connect Plug-In Fittings are the industry standard when it comes to repairing and maintaining air brake systems on semi-trucks, trailers, buses, and a variety of other mobile equipment. These fittings meet D.O.T. FMVSS 571.106, SAE J2494-3, and SAE J1131 standards for the perfect balance of durability and efficiency. Manufactured from composite materials, these fittings are strong, lightweight, and impact-resistant, with stainless steel tube supports that meet the stringent requirements of SAE J2494-3 to ensure optimal flow.

Designed with ease of use in mind, these fittings greatly speed up the assembly process and save up to 90% of the time compared to traditional compression fittings. Push-to-connect air fittings are ideal for secondary air applications such as track pneumatic doors, pneumatic seats, and shock absorbers, providing a quick, leak-proof tube connection. Their versatility makes them a top choice for fleets, repair shops, and farm machinery dealers who need a fast, reliable solution for servicing nylon brakes and secondary airlines.

Known for its corrosion resistance and excellent electrical conductivity, brass stands up well to heavy-duty use and is a reliable choice for a variety of applications. Its durability ensures long-lasting performance and reduces the need for frequent replacement.

Composite materials are made up of materials such as plastic and can be used with brass fittings, offering the advantage of lighter weight and easier handling and installation when both of them are used together.

PTC Fitting Advantages

Shorten assembly time: Say goodbye to the tedious assembly process associated with compression fittings. Our push-to-connect design reduces assembly time by up to 90%.

Versatility: Push connect air fittings are incredibly versatile as they are compatible with a wide range of vehicle systems including trucks, trailers, and rail systems.

Standards Compliance: D.O.T. and SAE specifications are stringent international requirements for DOT composite fittings, and these standards prove that DOT fittings are perfectly suited for each application.

Leakproof Design: Given the critical nature of pneumatic braking systems, a leak-free design is essential. Brass composite fittings are designed to be completely leak-free, allowing the braking system to operate safely.

Ease of Service: Composite dot air fittings make servicing a breeze for fleet managers, repair shops and implement dealers.

Applications

Buses

Designed for city buses and coaches, our D.O.T. quick connect couplings offer unmatched reliability and performance. Whether you’re traveling through a busy city or on a long highway, these couplings ensure that your air brake system operates flawlessly. In addition to primary and secondary brake lines, they are perfect for other pneumatic applications such as door systems, pneumatic seats and in-cab controls. Simplify maintenance and increase the safety of your passenger transportation operations with these quality fittings.

Heavy Duty Trucks

Our D.O.T. push to connect fittings are the preferred choice for heavy duty trucks that require a rugged and reliable air brake system. These fittings excel in both primary and secondary brake line applications, providing unmatched performance and safety. In addition to air brake systems, they are perfect for tire inflation systems, providing fast, leak-proof connections that stand up to the toughest conditions. By dramatically reducing installation time – up to 90% faster than traditional compression fittings – these composite push-in fittings have become a key part of keeping fleets running efficiently.

Trailers

The safety and performance of trailers is critical, especially in air braking systems. Our couplings provide an extra layer of assurance by not only meeting but exceeding D.O.T. and SAE performance requirements. These couplings are not limited to air brakes, however; they are also well suited for other pneumatic applications within the trailer, including air suspension and auxiliary systems. They feature a quick-connect design for fast assembly and maintenance, which is critical to keeping your trailer up and running.

Topa Team

Why Choose Us

In hydraulic and pneumatic systems, especially those used in braking systems such as heavy-duty trucks, trailers and buses, the quality of the fittings makes all the difference.Topa D.O.T. push-in ptc connectors combine innovation, excellence and reliability to set a new benchmark in the industry. Here’s why you won’t regret choosing our parts:

Unrivaled Quality

Topa's D.O.T. PTC connectors meet stringent D.O.T. and SAE standards, ensuring that the parts you install are built to last. Our fittings are repeatedly tested to ensure maximum performance and safety.

Wide range of applications

These ptc connections are not only suitable for air braking systems, but also for a wide range of applications. Whether you need them for tire inflation systems, pneumatic doors, pneumatic seats, or any other secondary air application, our couplings will do the job.

Cost Effective

Our factory pricing model allows us to offer you competitive pricing without compromising quality. A better price/performance ratio gives you a higher value for your investment.

Global Coverage

We have an extensive network of satisfied customers, from the United States and Canada to far-flung countries such as Australia, Afghanistan and South Korea. We have all the products you need for your use.

With a team of 50 highly skilled professionals, Topa Hydraulics prides itself on not just providing you with products, but with comprehensive solutions. We are customer-focused, which means we are always available to help you with any problem or challenge you may be facing.

When you choose Topa D.O.T. Plug-in air couplings, you’re not just buying a product, you’re buying a long-term investment in quality, efficiency, and peace of mind. For more information or assistance, please feel free to contact us; we will ensure your complete satisfaction.

Comprehensive Quality Control

We implement a rigorous quality control process that scrutinizes each product at multiple stages of manufacturing. This includes visual inspections, mechanical testing, and functionality assessments to ensure that every product that leaves our facility is flawless.

brass composite DOT Fitting China supplier check

brass composite DOT Fitting China factory Size Inspection

brass composite DOT Fitting factory process Three Coordinate Measuring

brass composite DOT Fitting manufacturer check one by one

Topa hydraulic brass composite DOT Fitting factory testing China

FAQ

What standards do Topa D.O.T. Push-In air fittings meet?

Our fittings are engineered to meet and exceed D.O.T., SAE, and other relevant industry standards, ensuring maximum safety and performance.

How do composite DOT fittings save assembly time?

D.O.T. push-in air couplings can be installed directly with the hose without the need for additional tools, so they save most of the installation time.

Can these fittings be used in applications other than air brake systems?

Yes, these couplings are versatile and can be used in a variety of pneumatic applications, including service systems, tire inflation systems, pneumatic doors, pneumatic seats, etc.

What materials are these fittings made of?

Push-in composite fittings are made of both composite and brass, each with their own advantages for different applications.

What are the types of DOT composite fittings?

Union, Straight, elbow, tee, and Y DOT push on connectors.

How do I know if these fittings are compatible with my existing system?

Our fittings are designed to be universally compatible with most standard pneumatic and hydraulic systems. For specific compatibility questions, please contact our technical support team.

Are these fittings leakproof?

Yes, the innovative design ensures that the pipe connections are leak-proof, providing you with a reliable and efficient pneumatic system.

Do you ship internationally?

Yes, we have customers all over the world and can ship our products to various countries. For shipping rates and delivery times, please contact our sales team.

What tubes are compatible with composite fittings?

SAE J844 Type A and Type B nylon air brake hoses, and flexible air brake hoses.

Do you offer volume discounts when buying in bulk?

Yes, we offer volume discounts. Please contact our sales team for more information on bulk purchase pricing.

Topa

Hydraulic Fittings

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Aug, 2023

ORFS hydraulic adapters supplier in China

ORFS Hydraulic Fittings

ORFS Hydraulic Fitting

ORFS hydraulic adapters are parallel hydraulic fittings. O-ring face seal fittings have grooves on the male threads for the installation of an O-ring. The ORFS adapter has a groove on the male threads for the installation of an O-ring. These types of fittings can provide excellent leakage protection at high-pressure applications.

ORFS hydraulic fittings have different types, like union, elbow, tee, cross, bulkhead, and swivel fittings. And they can play an excellent role in the industry, construction, agriculture, marine, oil and gas applications.

FS2403

ORFS Union

FS2404

M ORFS to M Pipe

FS2405

M ORFS to Female Pipe

FS2408

ORFS Plug

FS2501

90° M ORFS to M Pipe

FS2700

ORFS Bulkhead

FS6400

ORFS to O-ring

FS6802

45° ORFS to O-ring

FS0304

ORFS Cap

ORFS Hydraulic Fitting Video

Topa is an excellent Chinese hydraulic adapters supplier, we provide the best-quality o-ring face seal hydraulic fittings.

Topa offers all types and sizes of hydraulic adapters, and we also supply custom hydraulic adapters.

Our hydraulic adapters will undergo strict quality control, to ensure the quality of all hydraulic products.

If you have any problems with hydraulic ORFS fittings, please contact us!

Topa Hydraulic Adapters Catalog

The catalog book of hydraulic fitting adapters includes all kinds of hydraulic adapters, as well as their detailed parameters. If you need more information about hydraulic adapters, please contact us！

As a professional hydraulic adapters manufacturer and supplier, Topa can offer the widest range of hydraulic adapters and our adapters can meet all your needs!

Aug, 2023

NPT hydraulic adapters supplier in China

NPT Hydraulic Fittings

NPT hydraulic fittings stand for National Pipe Thread fittings. NPT adapters are the most common hydraulic fittings used to connect pipes. They are tapered threads with a narrow top and wide bottom. The deeper the NPT threads are installed, the tighter the connection will be.

NPT hydraulic adapters have various types, such as union, elbow, bulkhead, tee, cross, and swivel fittings. Hydraulic NPT adapters are the perfect choice for construction, oil, nature gas, chemical, water, agriculture, and industry applications.

5000

Pipe Coupling

5404

Pipe Union

5406

Pipe Thread Reducer

5406P

Hex Head Pipe Plug

5500

90° Male Pipe Elbow

5502

90° Street Elbow

5004

90° Female Pipe Elbow

5600

Pipe Tee

5601

Female Branch Tee

5602

Pipe Male Run Tee

5604

Male Branch Tee

5605

Female Pipe Tee

1404

NPSM swivel to Male Pipe

1501

90° NPSM swivel to Male Pipe

5652

Female Pipe Cross

NPT Hydraulic Fittings Video

Topa is the best Chinese hydraulic adapters factory, we provide the best-quality NPT hydraulic fittings.

Topa offers all types and sizes of hydraulic adapters, and we also supply custom hydraulic adapters.

Our hydraulic adapters will undergo strict quality control, to ensure the quality of all hydraulic products.

If you have any problems with NPT hydraulic fitting, please contact us.

Topa Hydraulic Adapters Catalog

The catalog book of hydraulic coupling adapters includes all kinds of hydraulic adapters, as well as their detailed parameters. If you need more information about hydraulic adapters, please contact us！

As a professional hydraulic adapters manufacturer and supplier, Topa can offer a range of hydraulic adapters and our adapters can meet all your needs!

Aug, 2023

JIC hydraulic adapters supplier in China

JIC Hydraulic Fittings

37° Cone JIC Hydraulic Fittings

JIC stands for Joint Industry Committee. JIC hydraulic fittings with 37-degree flared base surface and parallel threads. JIC hydraulic adapters are commonly available in a variety of different types, like tee, bulkhead, union, cross, elbow fitting, and swivel fitting. Hydraulic JIC adapters are made of carbon steel, brass, stainless steel, steel, and so on. They can be applied in many hydraulic fluid applications, such as transportation, oil and gas, food factory, chemical, and agriculture.

2403

Male JIC Union

2404

Male JIC to Male Pipe

2405

Male JIC to Female Pipe

2408

JIC Plug

2500

90° Male JIC Union

2503

45° Male JIC to Male Pipe

2603

Male JIC Tee

2605

JIC to Pipe Run Tee

2650

Male JIC to Male Pipe

2700

JIC Bulkhead

2701

90° JIC Bulkhead

2702

45° JIC Bulkhead

2703

JIC Bulkhead Union Branch Tee

6501

Female JIC to Male Pipe Elbow

6505

Female JIC to Male Pipe

6565

F JIC Union

6506

Female JIC to Female NPT

6600

Female JIC Branch Tee

6602

JIC Run Tee

6603

Male Branch Tee

6606

Female JIC Union Tee

6801

JIC to ORB Elbow

6801LL

Extra Long JIC to ORB Elbow

6802

45° Elbow JIC to ORB

6803

JIC to ORB Branch Tee

6804

JIC to ORB Run Tee

JIC Hydraulic Fittings Video

Topa is the best Chinese hydraulic adapters manufacturer, we provide the best-quality JIC hydraulic fittings.

Topa offers all types and sizes of hydraulic adapters, and we also supply custom hydraulic fittings.

Our hydraulic adapters will undergo strict quality control, to ensure the quality of all hydraulic products.

If you have any problems with JIC hydraulic fitting, please contact us.

Topa Hydraulic Adapters Catalog

As a professional hydraulic adapters manufacturer and supplier, Topa can offer the widest range of hydraulic adapters and our adapters can meet all your needs!

An to NPT Fitting

Male An flare to male NPT thread adapter, for use with oil, fuel line systems. Topa offers straight/45-degree/90-degree elbow AN adapters, you can check the pictures below.

If you have any questions of An to NPT fitting, please contact us!

An to NPT Fittings Video

This video is about the details of Topa An to NPT fitting.

Topa can supply all kinds and colors of An to NPT adapters, we also apply custom services.

Please contact with us if you have any questions about hydraulic An adapter fittings or other products.

An Fitting Catalog

This catalog is about An fittings.

Topa can offer all kind of hydraulic An to NPT fittings, and our catalog also including all of them.

Please contact us If you need more information of An hydraulic hose fittings, or would like some free samples.

An Fitting Union

An fitting union has two male AN flare threads, and it can be used to connect oil and fuel lines. There exists straight/45-degree/90-degree elbows. Topa can offer all kinds of An union couplings, you can check the pictures below.

If you have any questions of An union fittings, please contact us!

An Fitting Union Video

This video is about the details of Topa An fitting union.

Topa An union fittings are CNC automated and coated for beauty and rust resistance. Our fittings have international quality certification.

Please contact with us if you have any questions about hydraulic An union fitting or other products.

An Fitting Catalog

This catalog is about An fittings.

Topa can offer all kind of hydraulic An flare union fittings, and our catalog also including all of them.

Please contact us If you need more information of An hydraulic hose fittings, or would like some free samples.

An Fitting Bulkhead

An fitting bulkhead connectors allow fuel lines to pass safely and securely through firewalls or body panels. They are mad of aluminum, light and corrosion resistance. Topa supply all types of AN bulkhed fitting, you can check the pictures below.

If you have any questions of An bulkhead fittings, please contact us!

An Fitting Bulkhead Video

This video is about the details of Topa bulkhead An fitting.

Bulkhead An fittings are good choice for fuel line systems, Topa can cuatom different colors and sizes.

Please contact with us if you have any questions about hydraulic An bulkhead fittings or other products.

An Fitting Catalog

This catalog is about An fittings.

Topa can offer all kind of hydraulic bulkhead An hose fittings, and our catalog also including all of them.

Please contact us If you need more information of An hydraulic hose fittings, or would like some free samples.

An Banjo Fitting

An banjo eye fittings are used to connect fuel lines and air brake systems. They are made of reliable aluminum, carbon steel and stainless steel materials. Those fittings are corrosion and strength. Topa can provide all kinds of banjo An fittings, you can check the pictures below.

If you have any questions of An banjo fitting, please contact us!

An Banjo Fittings Video

This video is about the details of Topa AN banjo fitting.

Topa factory can process all types of banjo fittings, we can custom sizes and colors according to your needs.

If you need hydraulic banjo An fittings, or other products, please contact us now!

An Fitting Catalog

This catalog is about An fittings.

Topa can offer all kind of hydraulic An banjo fittings, and our catalog also including all of them.

Please contact us If you need more information of An hydraulic hose fittings, or would like some free samples.

Sep, 2023

Best China Hydraulic Swivel Fittings Manufacturer

❖ Suitable for narrow spaces

❖ Withstand high pressure

❖ Adopt pressure balance design

❖ The maximum speed is 10 rpm

Product List

Male NPTF to Female NPSM

Male NPTF to Female NPTF

Female NPTF to Female NPTF

Male NPTF to Male JIC

Male JIC to Female NPSM

Male JIC to Male JIC

Male SAE to Female NPSM

Male SAE to Male JIC

Male SAE to Female SAE

Metric Thread Ferrule Swivel Fittings

Metric Banjo Swivel Hydraulic Fitting

BSP Banjo Swivel Hydraulic Fitting

BSP Thread Ferrule Swivel Fittings

Right Angle High Pressure Swivel Fitting

High Pressure Right Angle Swivel Fitting

Hydraulic Oil Pipe Swivel Hydraulic Fitting

High Speed Right Angle High Pressure Swivel Fitting

Products Video

Application

Construction Equipment

Agricultural Machinery

Material Handling Systems

Ready to upgrade your hydraulic system?

Request a quote today and get fast, reliable support from Topa.

Our Factory

90° Hydraulic Live Swivel Fittings – Key Features

Appearance Features

Thread Features

Working Principle

Surface Treatment Options

Stainless Steel

Silver Plating

Nitriding Treatment

Carbon Steel

Zinc Plating

How to Customize 90° Hydraulic Live Swivel Fittings

Application Requirements

Working Pressure Range

Thread Type and Size

Port Size / Hose Size

Material Selection

Surface Treatment

Seal Material

Swivel Rotation Speed

Flow Capacity

Operating Environment

Order Quantity and Lead Time

Custom Branding or Packaging

Have questions or custom specs?

Contact our team now—we’ll help you find the perfect swivel solution.

Our Factory

Topa-The Best Hydraulic Swivel Fittings Factory

Why Choose Topa

Reliable Manufacturing Partner

One-Stop Hydraulic Solution

Global Export Experience

Fast Response & Professional Service

Custom Solutions, Flexible MOQ

On-Time Delivery

FAQ

What is the main function of a 90° live swivel fitting?

Can these swivels rotate under pressure continuously?

What thread types are available?

What materials are these swivel fittings made from?

What is the maximum speed at which these fittings can operate?

Can I use this swivel with any hydraulic hose?

Is the swivel joint leak-proof?

How should I install the 90° swivel fitting?

Can this 90° swivel fitting be used in high-vibration environments?

Is this fitting suitable for both hydraulic oil and other fluids?

Get More Information About Products

Sep, 2023

Topa